Sewing-machine.



M. F. BROGAN'. SEWING-MACHINE. ur'mcmmn um DB0. 4, 1911.

Patented Aug. 26,1913.

2 SHEETS-SHEBT 1.-

M.' P: BROGAN; y SEWING MACHINE'.

APPLIGMION FILED 1120.4, i911. .v

' Patented Aug.26 1913.

- Z SHEETS-SHEET 2.

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MICHAEL F. BROGAN, OF LAWRENCE, MASSACHUSETTS, ASSIGNGR T UNIED SHOE MACHINERY COMPANY, OF PATERSON, NEXV JERSEY, A CORPORATIO NEW JERSEY.

SEWING-MACHINE.

Specification of Letters Patent.

raten/eed Aug. 26,1913.

Application led December 4, 191].. Serial No. 663,701.

p chinos; and I do hereby declare the follow ing to be a full, clear, and exact description et the invention, such as will enable others skilled in the artto which it appertains to make and use the same.

rl`his invention 'relates to lock stitch sole sewing machines of the class employing a curved hook needle.

In the 'manufacture of VMcKay shoes a false welt is often sewed to the upper outer portion of the sole before the sole is incorporated in the shoe, so that the shoe, when complete, resembles a Goodyear shoe. In sewing the false welt tothe'sole, it is essential that the sole and welt be accuratel guided at the sewing point so that the welt may be attached to the sole in the proper position with relation thereto and so thatl the line of stitches may be properly positioned with relation to the edges of the sole and welt. It is desirable to employ a lock stitch cur`ved hook needle machine in sewing the false welt to the sole in order' that the stitching may resemble as closely as possible the stitching of the utseam of a Goodyear slice. It is also desirable in certain Cases that the distance of the line of stitches from the edge of the sole and welt be variedas in passing from the forepart of the shoe to the shank and from the shank to the orepart so that a McKay shoe may be made to resemble a Goodyearshoe having a Baltimore or Scotch edge.

The object of Y provide an attachmentV for a lock stitch curved hook needle shoe` sewing machine for use in sewing a falsewelt to avsole before the sole is incorporated inthe shoe, by which the sole and welt may be accurately guided and by which the' distancev of the line of stitches from the ed 4es of the sole and Welt may be varied at t e will of the operator during the cotihued 'operation of the ma- 5o chine.

With the ab'ove object in View, the invention consists ot' certain constructions j arraln ements and combinations of parts hereina ter described and claimed, 'the advanthe present invention is to- -tages of which will be obvious to those skilled in the art from the following description.

In the drawings illustrating the invention 'in the best form at present known to the inventor, Figure 1 is a front elevation of a portion of a sewing machine with the invention applied thereto showing a sole and false welt in the position to be sewed; Fig. 2 is a side elevation of the mechanismA illustrated in Fig. 1, certain parts being shown in section; Fig. 3 is a detail planview of the work table and the sole and welt gaging and guid-v ing mechanism associated therewith showing a sole and false welt in position; Fig. 4 is a detail perspective view of the work table and associated parts and Fig. 5 is a sectional view taken on the line 5-'5 of Fig. 3, looking in the direction of the arrow.

The inventionas illustrated in the accompanying drawings is applied to a curved hook needle sole sewing machine of the type illustrated in the United States Patent to French and Meyer No. 473,870. The curved hook needle indicated at l, the needle-segment and guide, the-awl 2, the awl segment 3 mounted on the upright 4, carried by the feed slide, are all constructed, arranged and operated" substantially as in the French and Meyer patent above referred to. The presser foot` 5 is provided with a base 6, which is preferably somewhat larger than the presser foot ordinarily used in this type ofI machine to engage and smooth out the welt in advance of the stitch forming mechanism. This presser foot is arranged and operated substantially as in the French and Meyer patent.

table constructed tas shown particularly in Figs. 3 and 4 is employed. This work table is constructed with4 a broad fiat work sup! porting plate 7 to support the sole of the shoe and the false welt in a satisfactory manner during the sewing operation. A shank 8 is attachedto this plate by which it `may be readily secured to the machine in place of the usual work table. A slot 9 for the needle and awl is formed in the rear portion of thel plate 7. In sewing the false welt to the sole, the sole is placed tread side down on the work table andthe welt is laid on the unpersurfacc of the sole adjacent the margin l thereof.

mounted on the worktable and extending forwardly of said gage, a welt guide mounted on the work table, and means under the control of the operator to ymove said gage with relation to the line of'feed during the operation of the machine to vary the distance of the line of stitches from the edges of the sole and welt.

2. A lock stitch sole sewing machine having, in combination, stitch forming mechanism including a curved hook needle, a work table, a gage to engage the edges of the sole and welt, supporting means for said gage mounted on the under side ofthe work table and extending forwardly of said gage, a welt guide mounted on the said work table, and means to move said gage with relation to the line of feed during the continued operation of the machine to vary the dist-ance of the line of stitches from the edges of the sole and welt.

3. A lock stitch sole sewing machine having, in combination, a'work table, a gage for engaging the edges of the sole and welt, a slide supporting said gage mounted on the under side of the work table and extending forwardly of said gage, a welt guide mount--l ed on said work table, and means under the control of the operator to operate said slide to move said gage with relation to the line of feed during the continued operation of the machine to vary the distance of the line of stitches from the edges of the sole and welt.

4. A lock stitch sole sewing machine having, in combination, a work table, a slide mounted on the under side of said Work table in advance of the needle'and movable thereon with relation to the line of feed, a gage carried by said slide arranged to engage the edges of the sole and welt, a welt guide mounted on the under side of the work table overhanging said table, and means under the control of the operator to move said gage with relation to the line of feed-during the continuedl operation of the hmm. V Copies o1 this patent may be obtained for ve cents each, by addressing :be Soumissions* ci machine to vary the distance of the line of stitches from the edges of the sole and welt.

5. A lock stitch sole sewing machine having, in combination, stitch forming mechanism including a curved hook needle, a work table, a slide mounted on the underside of -the work table in advance of the needle, a gage to engage and guide the edges of the sole and welt carried by said slide, a manually operable. lever mounted on the under side of the work table arranged to actuate said slide to carry the gage toward and from the lin'e of feed, and awelt guide for guiding the welt in advance of the gage.`

r6. A lock stitch sole sewing machine hav-V ing, in combination, stitch forming mechanism including a curved hook needle, a work table, a slide mounted on the under side of the work table in' advance of the needle, a. gage to engage and guide the edges ofthe sole and welt carried bysaid slide, a manually operable lever mounted on the under side of the work table and arranged to actuate the slide to carry the gage toward and from the line of feed, a stationary weltA guide mounted on the under side of the work table and overhanging the same.

- 7. A lock stitch sole sewing machine having, in combination, stitch forming mechahisni including a curved hook` needle, a work table, an edge gage, a welt guide member attached to the under side of the work table and overhanging the upper surface thereof, the said member comprising two interfittiiig substantially U-shaped plates bent to forni a welt guiding passage between them, said plates having provision for relative adjustment to vary the width of the welt guiding passage, and provision for adjusting said member on the work support l transversely of the line of feed.

MICHAEL F. BRUG-AN.

Witnesses:

Eni'rir Cnnixvns Honnnoon, Baarn. F. llrioiiriwooe, 

